Multiple choice general knowledge history

An experimental geostationary communication satellite successfully launched

  1. INSAT-1A

  2. APPLE

  3. IRS-1A

  4. Bhaskara-1
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

APPLE (Ariane Passenger Payload Experiment) was India's first experimental geostationary communication satellite, launched in 1981. It pioneered communication technology in India's space program. INSAT-1A came later (1982) and was operational, while IRS-1A (1988) was for remote sensing, not communication.

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